#!/bin/bash

set -eu

CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
source $CUR/../_utils/test_prepare
WORK_DIR=$OUT_DIR/$TEST_NAME
CDC_BINARY=cdc.test
SINK_TYPE=$1
MAX_RETRIES=10

function check_processor_table_count() {
	pd=$1
	changefeed=$2
	capture=$3
	expected=$4
	count=$(cdc cli processor query --pd=$pd -c $changefeed -p $capture 2>&1 | jq '.status."tables"|length')
	if [[ ! "$count" -eq "$expected" ]]; then
		echo "table count $count does equal to expected count $expected"
		exit 1
	fi
}

function check_no_capture() {
	pd=$1
	count=$(cdc cli capture list --pd=$pd 2>&1 | jq '.|length')
	if [[ ! "$count" -eq "0" ]]; then
		exit 1
	fi
}

export -f check_processor_table_count
export -f check_no_capture

function run() {
	rm -rf $WORK_DIR && mkdir -p $WORK_DIR
	start_tidb_cluster --workdir $WORK_DIR
	cd $WORK_DIR

	pd_addr="http://$UP_PD_HOST_1:$UP_PD_PORT_1"
	TOPIC_NAME="ticdc-changefeed-reconstruct-$RANDOM"
	case $SINK_TYPE in
	kafka) SINK_URI="kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&kafka-version=${KAFKA_VERSION}&max-message-bytes=10485760" ;;
	storage) SINK_URI="file://$WORK_DIR/storage_test/$TOPIC_NAME?protocol=canal-json&enable-tidb-extension=true" ;;
	pulsar) SINK_URI="pulsar://127.0.0.1:6650/$TOPIC_NAME?protocol=canal-json&enable-tidb-extension=true" ;;
	*) SINK_URI="mysql://normal:123456@127.0.0.1:3306/?max-txn-row=1" ;;
	esac

	run_cdc_server --workdir $WORK_DIR --binary $CDC_BINARY --addr "127.0.0.1:8300" --logsuffix server1 --pd $pd_addr
	owner_pid=$(ps -C $CDC_BINARY -o pid= | awk '{print $1}')
	changefeed_id=$(cdc cli changefeed create --pd=$pd_addr --sink-uri="$SINK_URI" 2>&1 | tail -n2 | head -n1 | awk '{print $2}')
	case $SINK_TYPE in
	kafka) run_kafka_consumer $WORK_DIR "kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&version=${KAFKA_VERSION}&max-message-bytes=10485760" ;;
	storage) run_storage_consumer $WORK_DIR $SINK_URI "" "" ;;
	pulsar) run_pulsar_consumer $WORK_DIR $SINK_URI ;;
	esac

	run_sql "CREATE DATABASE changefeed_reconstruct;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	go-ycsb load mysql -P $CUR/conf/workload -p mysql.host=${UP_TIDB_HOST} -p mysql.port=${UP_TIDB_PORT} -p mysql.user=root -p mysql.db=changefeed_reconstruct
	check_table_exists "changefeed_reconstruct.usertable" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT}
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	# kill capture
	kill_cdc_pid $owner_pid
	ensure $MAX_RETRIES check_no_capture $pd_addr

	# run another cdc server
	run_cdc_server --workdir $WORK_DIR --binary $CDC_BINARY --addr "127.0.0.1:8300" --logsuffix server2
	ensure $MAX_RETRIES "$CDC_BINARY cli capture list --pd=$pd_addr 2>&1 | grep id"
	capture_id=$($CDC_BINARY cli --pd=$pd_addr capture list 2>&1 | awk -F '"' '/\"id/{print $4}')
	echo "capture_id:" $capture_id

	# check table has been dispatched to new capture
	ensure $MAX_RETRIES check_processor_table_count $pd_addr $changefeed_id $capture_id 1
	run_sql "DROP DATABASE changefeed_reconstruct;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	# check table has been removed from processor
	ensure $MAX_RETRIES check_processor_table_count $pd_addr $changefeed_id $capture_id 0

	run_sql "CREATE DATABASE changefeed_reconstruct;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	go-ycsb load mysql -P $CUR/conf/workload -p mysql.host=${UP_TIDB_HOST} -p mysql.port=${UP_TIDB_PORT} -p mysql.user=root -p mysql.db=changefeed_reconstruct
	check_table_exists "changefeed_reconstruct.usertable" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT}
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	cleanup_process $CDC_BINARY
}

trap stop_tidb_cluster EXIT
run $*
check_logs $WORK_DIR
echo "[$(date)] <<<<<< run test case $TEST_NAME success! >>>>>>"
